// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.apache.kudu.hive.serde;

import org.apache.commons.lang3.StringUtils;
import org.apache.hadoop.hive.serde2.SerDeException;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.StructField;
import org.apache.kudu.ColumnSchema;

public class KuduStructField implements StructField {

  private ColumnSchema columnSchema;
  private int fieldId;
  private ObjectInspector fieldOi;

  @SuppressWarnings("WeakerAccess")
  public KuduStructField(ColumnSchema columnSchema, int fieldId) throws SerDeException {
    this.columnSchema = columnSchema;
    this.fieldId = fieldId;
    this.fieldOi = HiveKuduBridgeUtils.getObjectInspector(columnSchema);
  }

  @Override
  public String getFieldName() {
    return columnSchema.getName();
  }

  @Override
  public ObjectInspector getFieldObjectInspector() {
    return fieldOi;
  }

  @Override
  public int getFieldID() {
    return fieldId;
  }

  @Override
  public String getFieldComment() {
    return StringUtils.EMPTY;
  }

  @SuppressWarnings("WeakerAccess")
  public ColumnSchema getColumnSchema() {
    return columnSchema;
  }
}
